/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/*
* This file is provided under a dual BSD / GPLv2 license . When using or
* redistributing this file , you may do so under either license .
*
* Copyright ( c ) 2019 Intel Corporation
*
* Author : Keyon Jie < yang . jie @ linux . intel . com >
*/
#ifndef __SOF_INTEL_HDA_IPC_H
#define __SOF_INTEL_HDA_IPC_H
/*
* Primary register , mapped to
* - DIPCTDR ( HIPCIDR ) in sideband IPC ( cAVS 1 . 8 + )
* - DIPCT in cAVS 1 . 5 IPC
*
* Secondary register , mapped to :
* - DIPCTDD ( HIPCIDD ) in sideband IPC ( cAVS 1 . 8 + )
* - DIPCTE in cAVS 1 . 5 IPC
*/
/* Common bits in primary register */
/* Reserved for doorbell */
#define HDA_IPC_RSVD_31 BIT(31 )
/* Target, 0 - normal message, 1 - compact message(cAVS compatible) */
#define HDA_IPC_MSG_COMPACT BIT(30 )
/* Direction, 0 - request, 1 - response */
#define HDA_IPC_RSP BIT(29 )
#define HDA_IPC_TYPE_SHIFT 24
#define HDA_IPC_TYPE_MASK GENMASK(28 , 24 )
#define HDA_IPC_TYPE(x) ((x) << HDA_IPC_TYPE_SHIFT)
#define HDA_IPC_PM_GATE HDA_IPC_TYPE(0 x8U)
/* Command specific payload bits in secondary register */
/* Disable DMA tracing (0 - keep tracing, 1 - to disable DMA trace) */
#define HDA_PM_NO_DMA_TRACE BIT(4 )
/* Prevent clock gating (0 - cg allowed, 1 - DSP clock always on) */
#define HDA_PM_PCG BIT(3 )
/* Prevent power gating (0 - deep power state transitions allowed) */
#define HDA_PM_PPG BIT(2 )
/* Indicates whether streaming is active */
#define HDA_PM_PG_STREAMING BIT(1 )
#define HDA_PM_PG_RSVD BIT(0 )
irqreturn_t cnl_ipc_irq_thread(int irq, void *context);
int cnl_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg);
void cnl_ipc_dump(struct snd_sof_dev *sdev);
void cnl_ipc4_dump(struct snd_sof_dev *sdev);
#endif
Messung V0.5 in Prozent C=88 H=100 G=94
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(vorverarbeitet am 2026-09-28)
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